28991

Appears in sequences

• Strong pseudoprimes to base 38.at n=22A020264
• Strong pseudoprimes to base 46.at n=27A020272
• Trajectory of 3 under map n->33n+1 if n odd, n->n/2 if n even.at n=17A037114
• Where records occur in A119451.at n=19A119453
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, -1), (1, 0, 1)}.at n=10A148775
• Number of binary strings of length n with equal numbers of 0001 and 0010 substrings.at n=16A164155
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood.at n=34A270948